clockhand.purbrowseg.dll

Clock Hand

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module clockhand.purbrowseg.dll by Clock Hand has been detected as adware by 16 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Clock Hand  (signed and verified)

Version:
1.0.5555.1874

MD5:
61a4133bae28db2f5e810c073a0652a6

SHA-1:
d0763335e47c1d0c184d4f257aabf84bf9b44d52

SHA-256:
ea313a4be2fa7ad1a2adaa01cfb8f88434252be567604e0c494920e8b6cd3e1e

Scanner detections:
16 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/19/2024 8:24:04 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
MSIL:BrowseFox-BA [PUP]
150319-1

AVG
Generic
2016.0.3154

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.15330

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.L potentially unwanted application
7.0.302.0

F-Prot
W32/S-18d1a68a
v6.4.7.1.166

IKARUS anti.virus
PUA.MSIL.BrowseFox
t3scan.1.8.9.0

K7 AntiVirus
Adware
13.202.15430

Malwarebytes
v2015.03.30.11

McAfee
Program.BrowseFox-FUT
16.8.708.2

NANO AntiVirus
Riskware.Win32.BPlug.djpkri
0.30.8.659

Quick Heal
Adware.Updater.A3
3.15.14.00

Reason Heuristics
PUP.Yontoo
15.3.30.23

Sophos
Browse Fox
4.98

VIPRE Antivirus
Threat.4741131
38552

File size:
1 MB (1,063,664 bytes)

Product version:
1.0.5555.1874

Original file name:
ClockHand.PurBrowseG2015031809.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\clock hand\bin\plugins\clockhand.purbrowseg.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 7:00:00 AM

Valid to:
1/12/2016 6:59:59 AM

Subject:
CN=Clock Hand, O=Clock Hand, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
456A42223C623741F26F18A9D4223E47

File PE Metadata
Compilation timestamp:
3/18/2015 4:02:35 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:5DCL6r8+Ao6uNuDj/+gwsALWN9Omh07HXD8hzvQCBUMy08lM+khkjT+0SjzQgJQD:5Do+AFdMUNBUZzwkjTQAgJQFoiZ1Vfl

Entry address:
0x1037E2

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.0016

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
1 MB (1,055,232 bytes)

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